Three passengers have died, and three other people are being treated amid a "public health event" involving suspected hantavirus infections on a cruise ship in the Atlantic Ocean, health officials said. Of the six people sickened, hantavirus was confirmed in one case and is suspected in five others, the World Health Organization said in a statement Sunday. Two of the people who died were identified as a married couple, a 70-year-old man declared dead on arrival in St. Helena, and a 69-year-old